n: 30 m: 180 packed: 10 density: 0 nodes: 0 solveTime: 940 buildTime: 20 solved: true {0,25,27} {1,12,26} {2,4,8} {3,17,18} {5,11,28} {6,10,15} {7,13,16} {9,14,20} {19,21,22} {23,24,29}